DA0-001 Domain 2: Data Mining, Analysis, and Visualization

During peak traffic, the platform team must handle missing and dirty data. What should they do FIRST?

Multiple choice — select one answer

Answer choices

  1. a. Profiling, imputation, and validation rules
  2. b. Dashboards with clear metrics
  3. c. Scatter plots and coefficient review
  4. d. Mean, median, variance with context

Architectural breakdown & explanation

Data quality affects analysis.

Correct answer(s): a. Profiling, imputation, and validation rules

Exam domain: Domain 2: Data Mining, Analysis, and Visualization (35% weight on the official guide).

Official documentation & study links

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